Dashhudson.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Attribute “email” not allowed on element “input” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “num” not allowed on element “p” at this point.
No space between attributes.
Attribute “showconfirmation” not allowed on element “form” at this point.
Attribute “callback” not allowed on element “form” at this point.
Bad value “true” for attribute “required” on element “input”.
Duplicate ID “error”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “error” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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